I'm trying to compile a Broadcom 4318 compact-flash card
for an embedded device, based on an Intel PXA CPU.
When I compile compat-wireless (2008-08-01), I get
these errors:
include/linux/ssb.h: In function `ssb_dma_sync_single_range_for_cpu':
include/linux/ssb.h:518: error: implicit declaration of function `dma_sync_single_range_for_cpu'
include/linux/ssb/ssb.h: In function `ssb_dma_sync_single_range_for_device':
include/linux/ssb/ssb.h:539: error: implicit declaration of function `dma_sync_single_range_for_device'
However, in have the following configs defined (among others),
so this shouldn't happen:
CONFIG_B43=m
CONFIG_B43_DEBUG=y
CONFIG_B43_DMA=n <-- no DMA
CONFIG_B43_PIO=y
CONFIG_B43_FORCE_PIO=y <-- force PIO
CONFIG_B43_DMA_AND_PIO_MODE=n
CONFIG_B43_PCMCIA=y
CONFIG_B43_PCICORE_AUTOSELECT=n
CONFIG_B43_PCI_AUTOSELECT=n
CONFIG_B43_RFKILL=n
CONFIG_B43_LEDS=n
CONFIG_SSB=m
CONFIG_SSB_DEBUG=y
CONFIG_SSB_PCMCIAHOST=y
CONFIG_SSB_POSSIBLE=y
CONFIG_SSB_B43_PCI_BRIDGE=n
CONFIG_SSB_DRIVER_PCICORE=n
CONFIG_SSB_PCICORE_HOSTMODE=n
CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=n
CONFIG_SSB_PCIHOST=n
CONFIG_SSB_PCIHOST_POSSIBLE=n
CONFIG_SSB_BLOCKIO=y
CONFIG_SSB_DRIVER_MIPS=n
CONFIG_SSB_DRIVER_EXTIF=n
CONFIG_SSB_SPROM=y
I now have a (possibly ugly) patch that at least allows me to
compile the beast, but I'd like to get advice on how to solve
this issue correctly.
--- b.orig/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -509,6 +509,7 @@ static inline void ssb_dma_sync_single_r
enum dma_data_direction dir)
{
switch (dev->bus->bustype) {
+#ifndef CONFIG_B43_FORCE_PIO
case SSB_BUSTYPE_PCI:
/* Just sync everything. That's all the PCI API can do. */
pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
@@ -518,6 +519,7 @@ static inline void ssb_dma_sync_single_r
dma_sync_single_range_for_cpu(dev->dev, dma_addr, offset,
size, dir);
return;
+#endif
default:
__ssb_dma_not_implemented(dev);
}
@@ -530,6 +532,7 @@ static inline void ssb_dma_sync_single_r
enum dma_data_direction dir)
{
switch (dev->bus->bustype) {
+#ifndef CONFIG_B43_FORCE_PIO
case SSB_BUSTYPE_PCI:
/* Just sync everything. That's all the PCI API can do. */
pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
@@ -539,6 +542,7 @@ static inline void ssb_dma_sync_single_r
dma_sync_single_range_for_device(dev->dev, dma_addr, offset,
size, dir);
return;
+#endif
default:
__ssb_dma_not_implemented(dev);
}
--- b.orig/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -1187,15 +1187,19 @@ EXPORT_SYMBOL(ssb_dma_translation);
int ssb_dma_set_mask(struct ssb_device *dev, u64 mask)
{
+#ifndef CONFIG_B43_FORCE_PIO
int err;
+#endif
switch (dev->bus->bustype) {
+#ifndef CONFIG_B43_FORCE_PIO
case SSB_BUSTYPE_PCI:
err = pci_set_dma_mask(dev->bus->host_pci, mask);
if (err)
return err;
err = pci_set_consistent_dma_mask(dev->bus->host_pci, mask);
return err;
+#endif
case SSB_BUSTYPE_SSB:
return dma_set_mask(dev->dev, mask);
default:
--- b.orig/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -928,6 +928,9 @@ static inline void b43_write32(struct b4
ssb_write32(dev->dev, offset, value);
}
+#ifdef CONFIG_B43_FORCE_PIO
+#define b43_using_pio_transfers(dev) 1
+#else
static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
{
#ifdef CONFIG_B43_PIO
@@ -936,6 +939,7 @@ static inline bool b43_using_pio_transfe
return 0;
#endif
}
+#endif
#ifdef CONFIG_B43_FORCE_PIO
# define B43_FORCE_PIO 1
--
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